The Mazamas Foundation
To promote and further mountaineering and wilderness exploration.
The Mazamas Foundation at a glance
In short: The Mazamas Foundation gave $2.9M across 1 grant in 2020 (avg $2.9M), mostly in Oregon. Source: 2020 IRS Form 990.
- Annual giving (2020)
- $2,897,400
- +2785.9% vs 2019
- Grants made (2020)
- 1
- +0.0% vs 2019
- Average grant
- $2,897,400
- +2785.9% vs 2019
- Median grant
- $2,897,400
- Primary geography
- Oregon (100% of itemized 2020 grant dollars)
- Latest 990 filing
- Form 990, 2020 View filing
Data from IRS Form 990, 2020; updated September 2026.
Who The Mazamas Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2020
The largest 2020 recipient was Mazamas ($2.9M).
Grant Size Distribution
2 grants across all recorded years
The most common grant size was in the $100–250K range: 1 grant of 2 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2020 grant dollars on its one itemized grant.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2020, annual grant giving ranged from $100K (2019) to $2.9M (2020). In 2020 it made 1 grant totaling $2.9M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mazamas Portland, OR | Operating Support/ Strategic Plan | $2,897,400 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2020 | — | $310,985 | $3,023,772 | $2,897,400 | 1 | $14,221 |
| 2019 | $2,952,452 | $38,835 | $500,055 | $100,400 | 1 | $38,735 |
About The Mazamas Foundation
Based on IRS filings
The Mazamas Foundation is a public charity focused on Environment & Animals, based in Portland, OR. IRS filing data is available from 2019 through 2020. In 2020, it awarded 1 grant totaling $2.9M. Net investment income was $14K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
The Mazamas Foundation is led by Terry Donahe, President on every filing since 2019; none of the 7 officers listed in 2020 report compensation.
Officers on the 2020 filing
Terry Donahe
President
On filings since 2019
2 hrs/week
No compensation reported
Brian Lawrence
Treasurer
On filings since 2019
2 hrs/week
No compensation reported
Bronson Potter
Board Member
On filings since 2019
2 hrs/week
No compensation reported
Hye Kwon
Secretary
On filings since 2019
2 hrs/week
No compensation reported
Jeff Hawkins
Board Member
On filings since 2019
2 hrs/week
No compensation reported
Keith Thomajan
Board Member
On filings since 2019
2 hrs/week
No compensation reported
Sandor Lau
Board Member
On filings since 2019
2 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2019–2020. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The Mazamas Foundation
How much does The Mazamas Foundation give each year?
The Mazamas Foundation gave $2.9M across 1 grant in 2020, according to its 2020 IRS Form 990. In 2019 it gave $100K across 1 grant.
What is The Mazamas Foundation?
The Mazamas Foundation is a public charity focused on Environment & Animals, based in Portland, OR.
Where does The Mazamas Foundation operate?
The Mazamas Foundation has awarded grants in Oregon.
What is The Mazamas Foundation's EIN?
The Mazamas Foundation's EIN (Employer Identification Number) is 91-1829996. IRS Form 990 filing data is available on this page for 2019–2020.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS August 17, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS July 13, 2021)
- IRS filings on file for fiscal year 2020
Explore Open Grants
Browse active grant opportunities in The Mazamas Foundation's focus areas in our free grants database
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